Xeon E 2278G 's Advantages
Higher base frequency (3.4GHz vs 3.2GHz)
Lower TDP (95W vs 240W)
Xeon w7 2565X 's Advantages
Released 5 years and 3 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (37.5MB vs 16MB)
More modern manufacturing process (10nm vs 14nm)